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1f926457c3
commit 6213f5d4d2 upstream.
Let's avoid false-alarmed lockdep warning.
[ 58.914674] [T1501146] -> #2 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}:
[ 58.915975] [T1501146] system_server: down_write+0x7c/0xe0
[ 58.916738] [T1501146] system_server: f2fs_quota_sync+0x60/0x1a8
[ 58.917563] [T1501146] system_server: block_operations+0x16c/0x43c
[ 58.918410] [T1501146] system_server: f2fs_write_checkpoint+0x114/0x318
[ 58.919312] [T1501146] system_server: f2fs_issue_checkpoint+0x178/0x21c
[ 58.920214] [T1501146] system_server: f2fs_sync_fs+0x48/0x6c
[ 58.920999] [T1501146] system_server: f2fs_do_sync_file+0x334/0x738
[ 58.921862] [T1501146] system_server: f2fs_sync_file+0x30/0x48
[ 58.922667] [T1501146] system_server: __arm64_sys_fsync+0x84/0xf8
[ 58.923506] [T1501146] system_server: el0_svc_common.llvm.12821150825140585682+0xd8/0x20c
[ 58.924604] [T1501146] system_server: do_el0_svc+0x28/0xa0
[ 58.925366] [T1501146] system_server: el0_svc+0x24/0x38
[ 58.926094] [T1501146] system_server: el0_sync_handler+0x88/0xec
[ 58.926920] [T1501146] system_server: el0_sync+0x1b4/0x1c0
[ 58.927681] [T1501146] -> #1 (&sbi->cp_global_sem){+.+.}-{3:3}:
[ 58.928889] [T1501146] system_server: down_write+0x7c/0xe0
[ 58.929650] [T1501146] system_server: f2fs_write_checkpoint+0xbc/0x318
[ 58.930541] [T1501146] system_server: f2fs_issue_checkpoint+0x178/0x21c
[ 58.931443] [T1501146] system_server: f2fs_sync_fs+0x48/0x6c
[ 58.932226] [T1501146] system_server: sync_filesystem+0xac/0x130
[ 58.933053] [T1501146] system_server: generic_shutdown_super+0x38/0x150
[ 58.933958] [T1501146] system_server: kill_block_super+0x24/0x58
[ 58.934791] [T1501146] system_server: kill_f2fs_super+0xcc/0x124
[ 58.935618] [T1501146] system_server: deactivate_locked_super+0x90/0x120
[ 58.936529] [T1501146] system_server: deactivate_super+0x74/0xac
[ 58.937356] [T1501146] system_server: cleanup_mnt+0x128/0x168
[ 58.938150] [T1501146] system_server: __cleanup_mnt+0x18/0x28
[ 58.938944] [T1501146] system_server: task_work_run+0xb8/0x14c
[ 58.939749] [T1501146] system_server: do_notify_resume+0x114/0x1e8
[ 58.940595] [T1501146] system_server: work_pending+0xc/0x5f0
[ 58.941375] [T1501146] -> #0 (&sbi->gc_lock){+.+.}-{3:3}:
[ 58.942519] [T1501146] system_server: __lock_acquire+0x1270/0x2868
[ 58.943366] [T1501146] system_server: lock_acquire+0x114/0x294
[ 58.944169] [T1501146] system_server: down_write+0x7c/0xe0
[ 58.944930] [T1501146] system_server: f2fs_issue_checkpoint+0x13c/0x21c
[ 58.945831] [T1501146] system_server: f2fs_sync_fs+0x48/0x6c
[ 58.946614] [T1501146] system_server: f2fs_do_sync_file+0x334/0x738
[ 58.947472] [T1501146] system_server: f2fs_ioc_commit_atomic_write+0xc8/0x14c
[ 58.948439] [T1501146] system_server: __f2fs_ioctl+0x674/0x154c
[ 58.949253] [T1501146] system_server: f2fs_ioctl+0x54/0x88
[ 58.950018] [T1501146] system_server: __arm64_sys_ioctl+0xa8/0x110
[ 58.950865] [T1501146] system_server: el0_svc_common.llvm.12821150825140585682+0xd8/0x20c
[ 58.951965] [T1501146] system_server: do_el0_svc+0x28/0xa0
[ 58.952727] [T1501146] system_server: el0_svc+0x24/0x38
[ 58.953454] [T1501146] system_server: el0_sync_handler+0x88/0xec
[ 58.954279] [T1501146] system_server: el0_sync+0x1b4/0x1c0
Cc: stable@vger.kernel.org
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.